Khowaja, Waqar, Saleem Akhtar, Uswa Jiwani, Muhammad Mohsin, Fariha Shaheen, and Shabina Ariff. 2022. “Outcomes of Preterm Neonates With Patent Ductus Arteriosus: A Retrospective Review from a Tertiary Care Hospital”. Journal of the Pakistan Medical Association 72 (10):2065-68. https://doi.org/10.47391/JPMA.3416.